Apple is telling app makes to remove or suitably disclose their call of analytics system that allows them to record how a user interacts with their iPhone apps — or face removal from the company’s app collect, TechCrunch can confirm.

In an email, an Apple spokesperson said:” Protecting user privacy is overriding in the Apple ecosystem. Our App Store Review Guidelines require that apps seek definite user approval and accommodate a clearly defined visual expres when register, logging, or otherwise making a record of user work .”

” We have notified private developers that are in violation of these strict privacy terms and guidelines, and will take immediate action if there is reason ,” the spokesperson added.

It follows an investigation by TechCrunch that divulged major firms, like Expedia, Hollister, and Hotels.com, were utilizing a third-party analytics implement, to record every sound and swipe inside the app. We found that none of the apps we experimented queried the user for permission, and nothing of the companies said in their privacy public policies that the issue is recording a user’s app activity.

Even though sensitive data is supposed to be masked, some data — like passport crowds and debit card amounts — was leaking.

Glassbox is a cross-platform analytics tool that specializes in period replay technology. It allows companies to integrate its screen recording engineering into their apps to replay how a consumer interacts with the apps. Glassbox says it provides the technology, among many rationales, to help reduce app error rates. But the company” doesn’t enforce its clients” be reminded that they use Glassbox’s screen recording implements in their privacy policies.

But Apple specifically proscribes apps that covertly collect data without a user’s permissions.

TechCrunch began hearing on Thursday that app developers had already been notified that their apps had precipitated fumble of Apple’s conventions. One app developer was told by Apple to remove code code that recorded app acts, quoting the company’s app store guidelines.

” Your app uses analytics software to collect and send user or invention data to a third party without the user’s permission. Apps must request explicit user assent and cater a clearly defined visual clue when enter, entering, or otherwise making a record of user work ,” Apple said in the email.

Apple committed private developers less than a era to remove the system and resubmit their app or the app would be removed from the app collect, the email said.

When asked if Glassbox was aware of the app accumulate removals a spokesperson for Glassbox like to remind you that” the communication with Apple is through our clients .”

Glassbox is also available to Android app developers. Google did not immediately comment if it would also ban the screen recording code. Google Play too expressly prohibits apps from secretly accumulating machine application.” Apps must not hide or clothe tracking behavior or attempt to misinform consumers about such functionality ,” the developer rulers territory. We’ll update if and when we hear back.

It’s the most recent developments privacy debacle that has forced Apple to wade in to protect its clients after apps were caught misbehaving.

Last week, TechCrunch reported that Apple restricted Facebook’s ” investigate” app that the social media whale paid adolescents to muster all of their data.

It followed another investigations conducted by TechCrunch that revealed Facebook misappropriation its Apple-issued enterprise developer certificate to build and furnish apps for customers outside Apple’s App Store. Apple temporarily cancelled Facebook’s enterprise developer certificate, thumping all of the company’s internal iOS apps offline for close to a day.